AirHint found the following cheapest return flights from Helsinki (HEL) to Dublin (DUB) in December 2025 (see full year).

Return flights

31 Dec - 01 Jan	Ryanair
23 Dec - 07 Jan	Ryanair
31 Dec - 04 Jan	Ryanair
31 Dec - 05 Jan	Ryanair
21 Dec - 24 Jan	Lufthansa
18 Dec - 12 Jan	Finnair
21 Dec - 17 Jan	Norwegian Air Sweden AOC
18 Dec - 07 Jan	Finnair
27 Dec - 11 Jan	Finnair
21 Dec - 31 Jan	Scandinavian Airlines
27 Dec - 31 Dec	Finnair
23 Dec - 29 Dec	Ryanair
27 Dec - 30 Dec	Finnair
23 Dec - 28 Dec	Ryanair
18 Dec - 30 Dec	Finnair
20 Dec - 30 Dec	Finnair
25 Dec - 31 Dec	Eurowings
28 Dec - 30 Dec	Ryanair
18 Dec - 29 Dec	Finnair
17 Dec - 23 Dec	Finnair

Also check the deals for one-way flights from Helsinki to Dublin in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Helsinki to Dublin in December from $201

Return flights